COA Exam Practice Questions and Answers (100% Pass)

COA Exam Practice Questions and Answers (100% Pass) The "presenting complaint" is? - Answer️️ -The main reason that the patient has come to the office. A mother brings in her 4 year old son. The mother says he has a lazy eye. What do you need to find out? - Answer️️ -What does she mean by "lazy eye". A patient with heart problems? - Answer️️ -May have hardening of the arteries in the eye. (Ocular disorders associated with heart problems include hardening of the arteries and/or blood vessel blockage) Knowledge of a patient's breathing or lung problems would be important if the patient also has? - Answer️️ -Glaucoma (Certain glaucoma meds are contraindicated in patients with lung disease) Your patient states that he has rheumatoid arthritis. You should now ask symptom- related questions to find out if he has? - Answer️️ -Dry eye (Dry eye is strongly associated with rheumatoid arthritis) Major infections that can affect the eye include? - Answer️️ -Human immunodeficiency virus (HIV), gonorrhea, tuberculosis, and herpes simplex. A patient taking a diuretic probably has which health problem? - Answer️️ -Heart trouble (Heart patients are placed on diuretics to reduce excess fluid in the body, thereby reducing heart strain) High blood pressure is frequently treated by? - Answer️️ -Beta-blockers ©PREP4EXAMS2024/2025 REAL EXAMS DUMP Wednesday, August 7, 2024 9: 33 PM 2 It is important to know if a patient is taking birth control pills because? - Answer️️ -These hormones can cause changes in the retina. (Includes retinal artery and vein occlusion) A patient who has been taking oral steroids for long periods should be evaluated for possible development of? - Answer️️ -Cataracts An example of an analgesic is? - Answer️️ -Aspirin A male patient is going to be scheduled for cataract surgery. What is one medication that is of concern? - Answer️️ -Slidenafil Citrate (Viagra) (Medications for erectile dysfunction have been implicated in intraoperative floppy iris syndrome (a common complication of cataract surgery)) The most common ocular disorders that run in families are? - Answer️️ - Strabismus, myopia and glaucoma What are 3 potentially a hereditary disorders? - Answer️️ -Keratoconus, migraine headaches and nystagmus are usually hereditary Any pupil larger than what size is considered mydriatic? - Answer️️ -6 mm True or false: older people tend to have smaller pupils? - Answer️️ -True Unequal pupil size is termed? - Answer️️ -Anisocoria Orthoptist - Answer️️ -Helps with the diagnosis, management and non-surgical treatment of eye muscles Ocularist - Answer️️ -Measures and fits patients with artificial eyes Cornea - Answer️️ -Clear, round membrane at the front of the globe Iris - Answer️️ -Colored circle of tissue that is behind the cornea ©PREP4EXAMS2024/2025 REAL EXAMS DUMP Wednesday, August 7, 2024 9: 33 PM 3 Pupil - Answer️️ -Where light enters the eye; controlled by the iris by enlarging or reducing the size Crystalline lens - Answer️️ -Immediately behind iris; this is the second part of the optical focusing system Vitreous - Answer️️ -A clear, jelly-like substance that fills the large space behind the lens Retina - Answer️️ -Where light produces an image at the back surface of the eye Optic nerve - Answer️️ -Light sensitive cells of the retina convert the image to electrical impulses that are carried to the brain Axial length - Answer️️ -The range from front to back - normal is about 23-25 mm and width is about 24mm Corneal central thickness (CCT) - Answer️️ -About 545 micrometers or just over 0.5 mm Pachymetry - Answer️️ -Measuring the corneal thickness either optically or with ultrasound; important in the evaluation of glaucoma Refracting power - Answer️️ -Average for cornea - 42 diopters; average for lens - 18 diopters; total eye - 60 diopters Adnexa - Answer️️ -Tissues and structures surrounding the eye; include the orbit, extra ocular muscles, eyelids and lacrimal apparatus Orbit - Answer️️ -Bony cavity in the skull that holds the globe; contains 7 bones,extra ocular muscles, blood vessels and nerves ©PREP4EXAMS2024/2025 REAL EXAMS DUMP Wednesday, August 7, 2024 9: 33 PM 4 Blowout fracture - Answer️️ -A fracture in the floor of the orbit that results from blunt force trauma Extra ocular muscles - Answer️️ -Muscles that control the movement of the globe Medial rectus - Answer️️ -Rotates the eye inward toward the nose; called adduction Lateral rectus - Answer️️ -Rotates the eye outward toward the temple; called abduction Superior oblique - Answer️️ -Causes torsional movement and twists the eye down and inward; called incylotorsion Inferior oblique - Answer️️ -Causes torsional movement and twists the eye up and outward; called exclotorsion Superior rectus - Answer️️ -Turns the eye upward secondarily incylotorsion Inferior rectus - Answer️️ -Turns the eye downward secondarily exclyclotorsion Palpebral fissure - Answer️️ -Almond shaped opening between the upper and lower lids Medial canthus - Answer️️ -The point where lids meet on nasal side of palpebral fissure Lateral canthus - Answer️️ -The temporal junction of the lids Trichlasis - Answer️️ -Abnormal growth of an eyelash in the wrong direction Stye (External Hordeolom) - Answer️️ -When lash follicle becomes inflamed causing a red sore bump near the outer edge of the lid ©PREP4EXAMS2024/2025 REAL EXAMS DUMP Wednesday, August 7, 2024 9: 33 PM 5 Meibomian Glands - Answer️️ -On posterior of the eyelid, row of tiny holes that are the opening of oil secreting glands Internal Hordeolum - Answer️️ -When a meibomian gland becomes inflamed and infected, producing swelling Chalazion - Answer️️ -A lump on the outer lid cause by an internal hordeolum Blepharitis - Answer️️ -Common inflammation that produces